Be sure to visit
the Dolan DNA Learning Center at Cold
Spring Harbor. This site features a wealth of information on how DNA works,
and how crucial discoveries in genetics and molecular biology were made.

What's "The
Secret of Photo 51?" It's the inside story of Rosalind Franklin and
her role in the discovery of the Double Helix structure. Click to visit
a special NOVA web site
describing the story behind Rosalind Franklin's remarkable X-ray photograph
of DNA, which provided the crucial evidence for the double helix model
of DNA.